If you have not e-filed the tax return you can make any changes necessary.
Are you eligible for Head of Household? Do you have a dependent to claim on your tax return? If so, did you provide over one-half of the expanses to maintain the household?
See this TurboTax support FAQ for Head of Household - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-filing-status/qualify-head-household...
